Weather forecast for todayUmi, Japan

Weather forecast for today

Current condition 01:45 JST

  • 17°C
  • Feels like:
    17°C
Clear
Clear
  • Precipitation: 0mm
  • Wind: 11km/hSSE 150°
  • Humidity: 77%
  • Dewpoint: 13°C
  • Pressure: 1023.71mbar
  • Visibility: 12.87km
  • UV index: 0
  • ▼
In Umi, currently, visibility is at its best under a bright, clear sky.
The temperature is a comfortable 17°C. The current temperature is far from today's maximum-forecasted 29°C.

Sunday 18. Oct 2026

  • 29°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 193°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 06:24 JST
  • Sunset: 17:41 JST
  • ▼
On Sunday, October 18, clouds and sunshine will alternate throughout the day.
The temperature will vary between a maximum of a moderately hot 29°C and a minimum of an agreeable 21°C.
The maximum heat index, which modifies the air temperature to account for humidity, is appraised at a hot 31°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, the weather pattern will resemble September more than October, with a forecast high of 29°C.
Sunrise will be at 06:24 and sunset at 17:41; the daylight will last for 11h and 17min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 29°C.
Coldest hour: 5h 16°C.

Chance of precipitation

Highest chance: 23h 6%.

Hourly weather forecast

  • 2h
  • 17°C
  • Feels like:
    17°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hSE 140°
  • Humidity: 78%
  • Pressure: 1023mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 4h
  • 16°C
  • Feels like:
    16°C
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSE 142°
  • Humidity: 81%
  • Pressure: 1023mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 6h
  • 16°C
  • Feels like:
    16°C
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 5km/hSE 139°
  • Humidity: 87%
  • Pressure: 1023mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Sunrise: 06:24
  • 8h
  • 19°C
  • Feels like:
    19°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 6km/hSE 142°
  • Humidity: 76%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 10h
  • 24°C
  • Feels like:
    24°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 7km/hSSE 157°
  • Humidity: 59%
  • Pressure: 1022mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 12h
  • 27°C
  • Feels like:
    28°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 10km/hSSW 195°
  • Humidity: 53%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 14h
  • 28°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 11km/hSW 223°
  • Humidity: 50%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 10km/hSW 222°
  • Humidity: 54%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:41
  • 18h
  • 26°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hSW 224°
  • Humidity: 64%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 7km/hS 185°
  • Humidity: 74%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 8km/hS 175°
  • Humidity: 80%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Umi, a combination of overcast and clear weather is anticipated.
The temperature will be between a minimum of 16°C and a maximum of 28°C. The warmest part of the day will be from 13h to 16h.
The maximum temperature will align more closely with September's average high of 26.6°C than with October's 21.8°C. Today, the forecasted low is also more resembling September's minimum of 19.6°C than the average in October.
Updated: Oct 17, 2026 @ 16:45:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (01:45 JST) it is 17°C in Umi.

On Sunday, in Umi, changing cloud patterns will allow for periods of sunshine.

Today, the maximum temperature will be 29°C, while the minimum temperature will be 21°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 31°C.
The maximum temperature today will be notably higher than the average highest temperature of 21.8°C in October. The lowest temperature today will be also notably higher than the average low of 14.8°C.

On Sunday, in Umi, sunrise will be at 06:24 and sunset at 17:41 (JST).

In Umi, the length of the day today will be 11h and 17min.